The scenario says "For each region with 2 or more AI troops, not counting regions 5 or 6, move 1 region toward regions 5 or 6."
It should say "For each region with 2 or more AI troops, not counting regions 5 or 6, all AI troops in that region move 1 region toward regions 5 or 6."
The information about what moves is missing - all AI troops in the indicated regions move.